Home / 68,752,680,677.40-103,128,996,743.02-18,386,805,443.08

Finding the Fourth Proportional to 68,752,680,677.40, 103,128,996,743.02 and 18,386,805,443.08

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Solution

The fourth proportional to 68,752,680,677.40, 103,128,996,743.02 and 18,386,805,443.08 is: 27,580,201,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752,680,677.40 : 103,128,996,743.02 = 18,386,805,443.08 : x
  2. Step 2: Convert to fraction form
    68,752,680,677.40/103,128,996,743.02 = 18,386,805,443.08/x
  3. Step 3: Cross multiply
    68,752,680,677.40x = 103,128,996,743.02 × 18,386,805,443.08
  4. Step 4: Simplify right side
    68,752,680,677.40x = 1,896,212,798,654,146,150,400
  5. Step 5: Solve for x
    x = 1,896,212,798,654,146,150,400/68,752,680,677.40
  6. Step 6: Final answer
    x = 27,580,201,673.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.